CN209311851U - A kind of integrated projection module - Google Patents
A kind of integrated projection module Download PDFInfo
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- CN209311851U CN209311851U CN201920247154.9U CN201920247154U CN209311851U CN 209311851 U CN209311851 U CN 209311851U CN 201920247154 U CN201920247154 U CN 201920247154U CN 209311851 U CN209311851 U CN 209311851U
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- light
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- optically focused
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Abstract
The utility model discloses a kind of integrated projection modules, belong to projection art, including light source, reflector, the double-deck optically focused film, microlens array, imaging screen, imaging len, reflecting mirror and camera lens, reflector is arranged on light source, the double-deck optically focused film is arranged at the light exit of reflector, microlens array and imaging screen are successively set on the rear side of the double-deck optically focused film, and it is arranged with the double-deck optically focused film parallel, the rear side of imaging screen is arranged in imaging len, and parallel with imaging screen.Increase the reflective surface area of reflector by LED array light source, the double-deck optically focused film and microlens array, light partial volume is reduced using more array LEDs of small size, light is reintegrated using DF+DBEF microstructure film simultaneously, realizes identical light efficiency under the premise of realizing more inexpensive smaller volume.
Description
Technical field
The utility model relates to projection art more particularly to a kind of integrated projection modules.
Background technique
Projection module is that the electronic device of image is watched with sharp viewer for providing image in projection target.Generally
For, conventional projection module includes a light source and an optical unit, and the light from light source generates projection after passing through optical unit
In on projection target.General traditional projection module is the single device to project, and is only capable of carrying out along a specific direction single
One projection, does not have the function towards multi-direction projection.However, with the development of technology, the volume of projection module becomes small, throw
Shadow module no longer only can be used as single device, can more be embedded in hand-held device, such as: mobile phone, tablet computer, positioning device etc.
In device.
In traditional projection module, high angle scattered light is not available, and causes energy loss, and light angle loss is more than
30%, and luminous flux is low, and integrated level is low in existing projection module etc., it is unable to satisfy the demand of society.It needs to design one
Kind energy loss is less, the higher projection module of luminous flux, thus preferably realize that the micromation of projection module and cost are lower,
Improve Business Economic Benefit.
Utility model content
The purpose of this utility model is to provide a kind of integrated projection modules, solve existing projection module energy loss
Greatly, the technical problem that light angle loss is big and luminous flux is low.
A kind of integrated projection module, including light source, reflector, the double-deck optically focused film, microlens array, imaging screen,
Imaging len, reflecting mirror and camera lens, the reflector are arranged on light source, and the light of reflector is arranged in the bilayer optically focused film
Exit, the microlens array and imaging screen are successively set on the rear side of the double-deck optically focused film, and with the double-deck optically focused film
It is arranged in parallel, the rear side of imaging screen is arranged in the imaging len, and parallel with imaging screen, the mirror tilt setting
In the rear side of imaging len, in reflecting mirror reflection light side, the light source, reflector, the double-deck optically focused are thin for the camera lens setting
Film, microlens array, imaging screen and the middle line of imaging len are first arranged on same straight line, and the bilayer optically focused film is used
In diffusing light and dual increment light.
Further, the double-deck optically focused film includes diffusion barrier and dual enhancement films, and the diffusion barrier is arranged double
The front end of weight enhancement films, the diffusion barrier are arranged in parallel with dual enhancement films, and the diffusion barrier is for expanding light
It dissipates and reflection, reflection light is reflected back in reflector, the dual enhancement films are used for dual increment light.
Further, it is provided with several LED arrays on the light source, is equidistantly set between LED array and LED array
It sets.
Further, the reflector is nickel plating reflector, is set as horn structure.
Further, the microlens array is nanoscale microlens array, including micro-lens sheet, printed circuit and liquid crystal
Pixel transmittance piece, the liquid crystal pixel light transmitting sheet are arranged in printed circuit, and the micro-lens sheet is arranged in printed circuit front end,
The micro-lens sheet is set as wave lens structure, and micro-lens sheet front end is provided with several raised light transmission slopes, and a protrusion is saturating
Guang Po setting corresponding with a liquid crystal pixel light transmitting sheet, raised light transmission slope are arranged in liquid crystal pixel light transmitting sheet front end.
Further, the imaging len is rear Fresnel Lenses.
Further, the diffusion barrier with a thickness of 5mm, dual enhancement films with a thickness of 8mm.
The utility model uses above-mentioned technical proposal, and the utility model has following technical effect that
The utility model increases the reflecting surface of reflector by LED array light source, the double-deck optically focused film and microlens array
Product reduces light partial volume using more array LEDs of small size, while using DF+DBEF microstructure film to the weight of light
New integration, realizes identical light efficiency under the premise of realizing more inexpensive smaller volume, design nanoscale microlens array, pass through
The correction of microbeam makes to increase by the luminous flux of LCD, and integrated level is low, and innovation layout makes bare engine module improve long-term trust
Property and product quality.
Detailed description of the invention
Fig. 1 is the front view of the utility model.
Fig. 2 is the side view of the utility model.
Fig. 3 is traditional luminous flux schematic diagram.
Fig. 4 is the raising luminous flux schematic diagram of the utility model.
Fig. 5 is traditional light energy losses schematic diagram.
Fig. 6 is that the raising light of the utility model uses schematic diagram.
In figure: 1- light source, 1.1-LED array, 2- reflector, 3- bilayer optically focused film, 4- microlens array, 5- imaging screen
Curtain, 6- imaging len, 7- reflecting mirror, 8- camera lens, 9- traditional structure can by light, 10- traditional structure can not by light,
11- traditional structure liquid crystal pixel light transmitting sheet, the opaque printed circuit of 12- traditional structure, 13- improvement structure can pass through light, 14-
Original can not become not being available high angle scattered light using light, 15- traditional structure by light, 16- traditional structure can pass through
Low-angle light, 17- repeated reflection are utilized high angle scattered light, 18- refraction utilizes high angle scattered light.
Specific embodiment
For the purpose of this utility model, technical solution and advantage is more clearly understood, referring to the drawings and enumerate excellent
Embodiment is selected, the utility model is further described.However, it is necessary to illustrate, many details listed in specification
It is specific even without these just for the sake of making reader have a thorough explanation to the one or more aspects of the utility model
Details also may be implemented the utility model these aspect.
Referring to Fig. 1, the utility model provides a kind of integrated projection module, including light source 1, reflector 2, the double-deck optically focused
Film 3, microlens array 4, imaging screen 5, imaging len 6, reflecting mirror 7 and camera lens 8, the reflector 2 are arranged in light source 1
On, the bilayer optically focused film 3 is arranged at the light exit of reflector 2, and the microlens array 4 and imaging screen 5 are successively set
The rear side in the double-deck optically focused film 3 is set, and is arranged in parallel with the double-deck optically focused film 3, the setting of imaging len 6 is in imaging screen
5 rear side, and it is parallel with imaging screen 5, the reflecting mirror 7 is inclined at the rear side of imaging len 6, and the camera lens 8 is arranged
In 7 reflection light side of reflecting mirror, the light source 1, reflector 2, the double-deck optically focused film 3, microlens array 4, imaging 5 and of screen
The middle line of imaging len 6 is first arranged on same straight line, and the bilayer optically focused film 3 is used for diffusing light and dual incremental optical
Line.The bilayer optically focused film 3 includes diffusion barrier and dual enhancement films, before dual enhancement films are arranged in the diffusion barrier
End, the diffusion barrier are arranged in parallel with dual enhancement films, and the diffusion barrier is for being diffused and reflecting to light, reflected light
Line reflection is returned in reflector 2, and the dual enhancement films are used for dual increment light.
Light on light source 1 forms some low-angle light after reflector 2 is reflected, some wide-angles
Light, then traditional structure can make high angle scattered light and not be available, so that cause energy loss, when having used the application
The double-deck optically focused film 3 after so that the wide-angle light that cannot pass through is utilized again by DBEF multipath reflection, Wu Fajing
The wide-angle light crossed after DF is spread, will not low-angle light be reused, improved efficiency about 45%.By the way that lenticule battle array is arranged
Column 4, so that original can not become available by light, improved efficiency 25% preferably improves luminous flux.
It is provided with several LED arrays 1.1 on the light source 1, is equidistantly set between LED array 1.1 and LED array 1.1
It sets.The reflector 2 is nickel plating reflector, is set as horn structure.The microlens array 4 is nanoscale microlens array,
As shown in figure 4, including micro-lens sheet, printed circuit and liquid crystal pixel light transmitting sheet, the liquid crystal pixel light transmitting sheet setting is being printed
In circuit, the micro-lens sheet is arranged in printed circuit front end, and the micro-lens sheet is set as wave lens structure, micro-lens sheet
Front end is provided with several raised light transmission slopes, a raised light transmission slope setting corresponding with a liquid crystal pixel light transmitting sheet, protrusion
Light transmission slope is arranged in liquid crystal pixel light transmitting sheet front end.
By the comparison of Fig. 4 and Fig. 3 it is recognised that passing through the micro-lens sheet of setting, so that light passes through protrusion
Light transmission slope is transmitted to liquid crystal pixel light transmitting sheet, so as to preferably by light, further increase the quantity of light, reduce tradition
Blocking of the opaque printed circuit 12 of structure to light, can converge to light in traditional structure liquid crystal pixel light transmitting sheet 11,
Can preferably it pass through, to preferably increase luminous flux.
The imaging len 6 is rear Fresnel Lenses.The diffusion barrier with a thickness of 5mm, the thickness of dual enhancement films
For 8mm.
As Fig. 6 and Fig. 5 is compared it is found that high angle scattered light and low-angle light are formed after reflector 2, in the tradition of Fig. 5
The upper high angle scattered light of structure can not be used, to cause the waste of light, after being changed to Fig. 6 structure, diffusion barrier is to big angle
Degree light is reflected and is reflected, so that the refraction that a part of high angle scattered light passes through utilizes high angle scattered light 18, reflection
Light reflected using reflector 2 and then form repeated reflection to be utilized high angle scattered light 17 thin from diffusion barrier and dual increment
Film is perpendicular through to preferably utilize light.According to the style of selected LCD display original set, optimization design nanoscale is micro-
Lens array makes to increase by the luminous flux of LCD by the correction of microbeam.
The above is only the preferred embodiment of the utility model, it is noted that for the common skill of the art
For art personnel, without departing from the principle of this utility model, can also make several improvements and retouch, these improve and
Retouching also should be regarded as the protection scope of the utility model.
Claims (6)
1. a kind of integrated projection module, it is characterised in that: including light source (1), reflector (2), the double-deck optically focused film (3), micro-
Lens array (4), imaging screen (5), imaging len (6), reflecting mirror (7) and camera lens (8), the reflector (2) are arranged in light
On source (1), the bilayer optically focused film (3) is arranged at the light exit of reflector (2), the microlens array (4) and imaging
Screen (5) is successively set on the rear side of the double-deck optically focused film (3), and is arranged in parallel with the double-deck optically focused film (3), and the imaging is saturating
Mirror (6) setting is parallel in the rear side that screen (5) are imaged, and with screen (5) are imaged, and the reflecting mirror (7) is inclined at imaging
The rear side of lens (6), the camera lens (8) setting are the light source (1), reflector (2), double in reflecting mirror (7) reflection light side
Same straight line is first arranged in strata optical thin film (3), microlens array (4), imaging screen (5) and the middle line of imaging len (6)
On；The bilayer optically focused film (3) includes diffusion barrier and dual enhancement films, and dual enhancement films are arranged in the diffusion barrier
Front end, the diffusion barrier are arranged in parallel with dual enhancement films.
2. a kind of integrated projection module according to claim 1, it is characterised in that: the light source (1) if on be provided with
Dry LED array (1.1), spaced set between LED array (1.1) and LED array (1.1).
3. a kind of integrated projection module according to claim 1, it is characterised in that: the reflector (2) is that nickel plating is anti-
Light cup, is set as horn structure.
4. a kind of integrated projection module according to claim 1, it is characterised in that: the microlens array (4) is to receive
Meter level microlens array, including micro-lens sheet, printed circuit and liquid crystal pixel light transmitting sheet, the liquid crystal pixel light transmitting sheet setting exist
In printed circuit, the micro-lens sheet is arranged in printed circuit front end, and the micro-lens sheet is set as wave lens structure, micro-
Eyeglass front end is provided with several raised light transmission slopes, a raised light transmission slope setting corresponding with a liquid crystal pixel light transmitting sheet,
Raised light transmission slope is arranged in liquid crystal pixel light transmitting sheet front end.
5. a kind of integrated projection module according to claim 1, it is characterised in that: the imaging len (6) is rear luxuriant and rich with fragrance
Nie Er lens.
6. a kind of integrated projection module according to claim 1, it is characterised in that: the diffusion barrier with a thickness of 5mm,
Dual enhancement films with a thickness of 8mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920247154.9U CN209311851U (en) | 2019-02-27 | 2019-02-27 | A kind of integrated projection module |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920247154.9U CN209311851U (en) | 2019-02-27 | 2019-02-27 | A kind of integrated projection module |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209311851U true CN209311851U (en) | 2019-08-27 |
Family
ID=67681862
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920247154.9U Active CN209311851U (en) | 2019-02-27 | 2019-02-27 | A kind of integrated projection module |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209311851U (en) |
-
2019
- 2019-02-27 CN CN201920247154.9U patent/CN209311851U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: An integrated projection module Effective date of registration: 20210531 Granted publication date: 20190827 Pledgee: Nanning United Innovation Financing Guarantee Co.,Ltd. Pledgor: GUANGXI JIAWEI TECHNOLOGY Corp.,Ltd. Registration number: Y2021450000021 |
|
| PC01 | Cancellation of the registration of the contract for pledge of patent right | ||
| PC01 | Cancellation of the registration of the contract for pledge of patent right |
Date of cancellation: 20220519 Granted publication date: 20190827 Pledgee: Nanning United Innovation Financing Guarantee Co.,Ltd. Pledgor: GUANGXI JIAWEI TECHNOLOGY Corp.,Ltd. Registration number: Y2021450000021 |
|
| PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: An integrated projection module Effective date of registration: 20220715 Granted publication date: 20190827 Pledgee: Guangxi SME Financing Guarantee Co.,Ltd. Pledgor: GUANGXI JIAWEI TECHNOLOGY Corp.,Ltd. Registration number: Y2022450000114 |